Systems, methods, apparatuses, and computer program products for managing neighbor relations and coordinating physical cell identifier (PCIs), for example, for moving high altitude platform systems are provided.
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1. A method, comprising: receiving, at a first network node, geolocation information for at least one second network node; managing, by the first network node, relations of neighbor network nodes of at least one of the first network node or the at least one second network node; and resolving physical cell identifier problems using the geolocation information, wherein the first network node comprises a high altitude platform station or flying base station, and wherein the at least one second network node comprises at least one terrestrial base station or at least one high altitude platform station or flying base station.
This invention relates to wireless network management, specifically addressing challenges in identifying and resolving physical cell identifier (PCI) conflicts in heterogeneous networks involving high-altitude platform stations (HAPS), flying base stations (FBS), and terrestrial base stations. The problem arises when multiple network nodes, including HAPS/FBS and terrestrial stations, operate in proximity, leading to PCI collisions that degrade network performance. The solution involves a first network node, which may be a HAPS or FBS, receiving geolocation data for at least one second network node, which may be a terrestrial base station, another HAPS, or another FBS. The first network node then manages neighbor relations for itself or the second network node, using the geolocation information to detect and resolve PCI conflicts. By leveraging precise positioning data, the system dynamically adjusts neighbor relations and PCI assignments to prevent interference and ensure seamless connectivity. This approach is particularly useful in dynamic environments where network nodes frequently change positions, such as aerial or mobile base stations, ensuring efficient resource allocation and minimizing service disruptions. The method enhances network reliability and performance by automating PCI conflict resolution through geolocation-based neighbor management.
2. The method according to claim 1 wherein the physical cell identifier problems comprise at least one of physical cell identifier collision or physical cell identifier confusion.
This invention relates to wireless communication systems, specifically addressing issues with physical cell identifiers (PCIs) in cellular networks. The problem being solved involves PCI collisions and PCI confusion, which can disrupt network performance and user experience. PCI collisions occur when multiple cells in a network are assigned the same PCI, leading to interference and degraded signal quality. PCI confusion arises when a user device cannot distinguish between cells due to overlapping or ambiguous PCI assignments, causing connectivity problems. The invention provides a method to detect and resolve these PCI issues. It involves monitoring the network to identify instances of PCI collisions or confusion. When such problems are detected, the method adjusts the PCI assignments dynamically to eliminate conflicts. This may include reassigning PCIs to affected cells or coordinating with neighboring cells to ensure unique and distinguishable identifiers. The method may also involve analyzing signal measurements from user devices to determine the source of PCI conflicts and applying corrective actions accordingly. By resolving PCI collisions and confusion, the method improves network reliability, reduces interference, and enhances overall communication quality in the wireless system.
3. The method according to claim 1 , wherein the receiving further comprises: receiving the geolocation information from a third network node, wherein the third network node comprises at least one of high altitude platform station or flying base station, a terrestrial base station, a centralized entity, or a high altitude platform station manager.
This invention relates to wireless communication systems, specifically methods for receiving geolocation information from various network nodes to enhance positioning accuracy and reliability. The problem addressed is the need for precise and dependable geolocation data in wireless networks, particularly in scenarios where traditional positioning methods may be unreliable or unavailable. The method involves receiving geolocation information from a third network node, which can be one of several types: a high altitude platform station (HAPS) or flying base station, a terrestrial base station, a centralized entity, or a high altitude platform station manager. These nodes provide geolocation data to improve the accuracy and robustness of positioning services in the network. The use of diverse network nodes ensures redundancy and flexibility, allowing the system to adapt to different environmental conditions and network configurations. This approach is particularly useful in scenarios where traditional positioning methods, such as GPS, may be compromised or where additional precision is required. The method leverages the capabilities of multiple network nodes to enhance the overall positioning performance of the wireless communication system.
4. The method according to claim 1 , wherein the geolocation information comprises global positioning service coordinates of the at least one second network node, and wherein the receiving further comprises: receiving the global positioning service coordinates of the at least one second network node; and receiving the physical cell identifier and enhanced cell global identifier of the at least one second network node.
This invention relates to wireless network node localization and identification, specifically improving the accuracy and reliability of determining the physical location and identity of network nodes in a wireless communication system. The problem addressed is the need for precise geolocation data and unique identifiers to enhance network management, optimization, and troubleshooting. The method involves receiving geolocation information for at least one second network node, which includes global positioning service (GPS) coordinates of the node. Additionally, the method receives the physical cell identifier (PCI) and enhanced cell global identifier (ECGI) of the node. The PCI is a short identifier used in wireless networks to distinguish cells, while the ECGI is a longer, globally unique identifier that combines the mobile country code, mobile network code, and cell identifier. By combining GPS coordinates with these identifiers, the system can accurately map the node's location and identity, enabling better network planning, interference management, and service deployment. This approach ensures that network nodes can be precisely located and uniquely identified, improving overall network performance and reliability.
5. The method according to claim 1 , further comprising: storing the geolocation information, global positioning service coordinates, and/or physical cell identifier and enhanced cell global identifier of the at least one second network node.
This invention relates to wireless network communication systems, specifically methods for managing and utilizing geolocation data of network nodes to improve network performance and user experience. The problem addressed is the need for accurate and efficient tracking of network node locations to enhance connectivity, optimize resource allocation, and support location-based services. The method involves determining the geolocation information of at least one second network node, which may include global positioning service (GPS) coordinates, physical cell identifiers (PCI), and enhanced cell global identifiers (ECGI). This data is then stored for further use. The method also includes transmitting a request for geolocation information from a first network node to the second network node, which responds by providing the requested data. The first network node processes this information to identify the second network node and determine its location. This process may involve comparing the received geolocation data with stored reference data to verify accuracy and ensure proper network node identification. The stored geolocation information, GPS coordinates, PCI, and ECGI of the second network node are used to support various network functions, such as handover management, load balancing, and location-based services. By maintaining and updating this data, the network can dynamically adjust to changing conditions, improve coverage, and enhance service quality for users. The method ensures reliable and up-to-date geolocation tracking, which is critical for modern wireless communication systems.
6. The method according to claim 1 , further comprising: receiving geometrical instruction from a fourth network node to assist in determining a strategy to manage the neighbor relations, wherein the fourth network node comprises at least one of a high altitude platform station manager or operation and maintenance.
This invention relates to wireless communication networks, specifically methods for managing neighbor relations between network nodes to optimize connectivity and performance. The problem addressed is the need for dynamic and efficient neighbor relation management in heterogeneous networks, where nodes must adapt to changing conditions and coordinate with other network elements to maintain optimal connectivity. The method involves a network node receiving neighbor relation information from a first network node, which may include a base station or other network element, and determining a strategy to manage these relations based on the received information. The strategy may involve adjusting communication parameters, reconfiguring links, or prioritizing certain connections to improve network performance. Additionally, the method includes receiving geographical or topological data from a second network node, such as a location server or mapping system, to further refine the neighbor relation strategy. This data helps the network node understand the spatial relationships between itself and other nodes, enabling more accurate decision-making. Furthermore, the method incorporates receiving operational status information from a third network node, which may be another base station or network controller, to assess the current state of the network. This status information allows the network node to adapt its neighbor relation strategy in real-time, ensuring resilience and efficiency. The method also includes receiving geometrical instructions from a fourth network node, such as a high-altitude platform station manager or an operations and maintenance system, to assist in determining the optimal strategy for managing neighbor relations. These instructions may provide additional
7. An apparatus, comprising: at least one processor; and at least one memory comprising computer program code, the at least one memory and computer program code are configured, with the at least one processor, to cause the apparatus at least to: receive geolocation information for at least one first network node; manage relations of neighbor network nodes of at least one of the apparatus or the at least one first network node; and resolve physical cell identifier problems using the geolocation information, wherein the apparatus comprises a high altitude platform station or flying base station, and wherein the at least one first network node comprises at least one terrestrial base station or at least one high altitude platform station or flying base station.
This invention relates to wireless communication systems, specifically addressing challenges in managing network nodes, particularly in hybrid networks combining terrestrial and high-altitude (e.g., drone or balloon-based) base stations. The problem solved involves accurately identifying and resolving physical cell identifier (PCI) conflicts, which can disrupt network performance and user connectivity. PCI conflicts arise when multiple network nodes, especially those with overlapping coverage areas, are assigned the same or similar identifiers, leading to interference and misrouting of signals. The apparatus includes at least one processor and memory storing executable code to perform key functions. It receives geolocation data for network nodes, which may include terrestrial base stations, high-altitude platform stations (HAPS), or flying base stations (e.g., drones). The system manages neighbor relations, tracking which nodes are adjacent or overlapping in coverage. Using the geolocation data, it resolves PCI conflicts by dynamically adjusting identifiers or reconfiguring node assignments to minimize interference. The apparatus itself may be a HAPS or flying base station, ensuring seamless integration with both terrestrial and aerial network components. This approach improves network reliability, reduces signal interference, and optimizes resource allocation in hybrid wireless environments.
8. The apparatus according to claim 7 , wherein the physical cell identifier problems comprise at least one of physical cell identifier collision or physical cell identifier confusion.
The invention relates to wireless communication systems, specifically addressing issues with physical cell identifiers (PCIs) in cellular networks. The problem being solved involves PCI collisions and PCI confusion, which occur when multiple cells in a network are assigned the same or similar identifiers, leading to interference, degraded performance, and potential service disruptions. The apparatus described is designed to detect and resolve these PCI-related problems to improve network reliability and efficiency. The apparatus includes a processor configured to analyze PCI assignments across cells in the network. It identifies instances where PCIs are either identical (collisions) or too similar (confusion), which can cause misidentification of cells by user devices. The processor then generates a solution to reassign or adjust the problematic PCIs to eliminate conflicts. This may involve selecting new PCIs from a predefined pool or dynamically adjusting assignments based on network conditions. The apparatus may also include a communication interface to transmit the updated PCI assignments to the affected cells, ensuring seamless integration into the network. By proactively detecting and resolving PCI collisions and confusion, the apparatus enhances network performance, reduces interference, and ensures accurate cell identification for connected devices. This is particularly important in dense network deployments where PCI conflicts are more likely to occur. The solution is applicable to various wireless communication standards, including LTE and 5G, where efficient PCI management is critical for maintaining service quality.
9. The apparatus according to claim 7 , wherein the at least one memory and computer program code configured to receive geolocation information are further configured, with the at least one processor, to cause the apparatus at least to: receive the geolocation information from a second network node, wherein the second network node comprises at least one of high altitude platform station or flying base station, a terrestrial base station, a centralized entity, or a high altitude platform station manager.
This invention relates to wireless communication systems, specifically improving geolocation accuracy and reliability in networks involving high-altitude platforms, such as high-altitude platform stations (HAPS) or flying base stations. The problem addressed is the challenge of obtaining precise geolocation data in dynamic environments where network nodes, including aerial and terrestrial base stations, may have varying coverage and mobility. The solution involves an apparatus with at least one processor and memory storing computer program code. The apparatus is configured to receive geolocation information from a second network node, which can be a high-altitude platform station, flying base station, terrestrial base station, centralized entity, or a high-altitude platform station manager. This configuration ensures that geolocation data is obtained from multiple sources, enhancing accuracy and reliability in scenarios where traditional terrestrial networks may be insufficient. The apparatus processes this data to support applications requiring precise positioning, such as emergency services, autonomous vehicles, or asset tracking. The system dynamically adapts to different network node types, ensuring consistent performance across diverse deployment scenarios.
10. The apparatus according to claim 9 , wherein the second network node and the at least one first network node are the same network node.
This invention relates to network communication systems, specifically addressing the challenge of efficiently managing data transmission between network nodes. The apparatus includes a first network node configured to receive a data packet and a second network node configured to process the data packet. The first network node determines whether the data packet requires processing by the second network node. If processing is required, the first network node forwards the data packet to the second network node. The second network node then processes the data packet and may forward it to another network node if needed. In some embodiments, the second network node and the first network node are the same network node, meaning a single node handles both reception and processing of the data packet. This configuration simplifies the system by reducing the number of nodes involved in the data transmission process, improving efficiency and reducing latency. The apparatus may also include additional network nodes that perform similar functions, ensuring reliable data transmission across the network. The invention aims to optimize network performance by minimizing unnecessary data forwarding and streamlining the processing workflow.
11. The apparatus according to claim 7 , wherein the geolocation information comprises global positioning service coordinates of the at least one first network node, and wherein the at least one memory and computer program code configured to receive geolocation information are further configured, with the at least one processor, to cause the apparatus at least to: receive the global positioning service coordinates of the at least one first network node; and receive the physical cell identifier and enhanced cell global identifier of the at least one first network node.
This invention relates to wireless communication systems, specifically improving network node identification and location tracking. The problem addressed is the need for accurate and reliable geolocation data of network nodes, such as base stations, to enhance network performance, mobility management, and emergency services. The apparatus includes at least one processor, memory, and computer program code configured to receive geolocation information from network nodes. The geolocation information includes Global Positioning Service (GPS) coordinates of the network nodes, along with their physical cell identifier (PCI) and enhanced cell global identifier (ECGI). The apparatus is designed to process and utilize this data to determine the precise location of network nodes within a wireless communication system. The PCI uniquely identifies a cell within a local area, while the ECGI provides a globally unique identifier for the cell. By combining GPS coordinates with these identifiers, the apparatus ensures accurate mapping and tracking of network nodes, which is critical for tasks such as handover decisions, network optimization, and location-based services. The system enhances network reliability and efficiency by providing real-time, precise geolocation data for network nodes.
12. The apparatus according to claim 7 , wherein the at least one memory and computer program code are further configured, with the at least one processor, to cause the apparatus at least to: store the geolocation information, global positioning service coordinates, and/or physical cell identifier and enhanced cell global identifier of the at least one first network node.
This invention relates to wireless communication systems, specifically to apparatuses for managing and utilizing geolocation data of network nodes. The problem addressed is the need for accurate and efficient tracking of network node positions to improve network performance, mobility management, and location-based services. The apparatus includes at least one processor, memory, and computer program code configured to process geolocation information, global positioning service (GPS) coordinates, and identifiers such as physical cell identifiers (PCIs) and enhanced cell global identifiers (ECGIs) of network nodes. The apparatus stores these details for at least one first network node, enabling precise tracking of node positions. This stored data can be used for tasks like handover decisions, network optimization, and location-based services. The apparatus may also compare the stored geolocation data with other network nodes to determine relative positions, improving network coordination. The system ensures reliable and up-to-date positioning information, enhancing overall network efficiency and service quality.
13. The apparatus according to claim 7 , wherein the at least one memory and computer program code are further configured, with the at least one processor, to cause the apparatus at least to: receive geometrical instruction from a third network node to assist in determining a strategy to manage the neighbor relations, wherein the third network node comprises at least one of a high altitude platform station manager or operation and maintenance.
This invention relates to wireless communication systems, specifically to managing neighbor relations between network nodes to optimize connectivity and resource allocation. The problem addressed is the need for efficient coordination between network nodes, such as base stations or access points, to dynamically adjust neighbor relations based on changing network conditions, user demand, or operational requirements. The apparatus includes at least one processor, memory, and computer program code configured to perform neighbor relation management. It receives geometrical instructions from a third network node, such as a high-altitude platform station (HAPS) manager or an operation and maintenance (O&M) system, to assist in determining a strategy for managing neighbor relations. These instructions may include spatial or positional data that help the apparatus assess the optimal configuration of neighbor relations, such as handover parameters, interference management, or load balancing. The apparatus processes the received instructions to adjust neighbor relations dynamically, ensuring efficient resource utilization and minimizing service disruptions. The system may also consider other factors, such as signal strength, traffic load, or mobility patterns, to refine the strategy. By integrating input from a centralized or higher-level network node, the apparatus enables more coordinated and adaptive neighbor relation management, improving overall network performance and reliability.
14. The apparatus according to claim 7 , wherein the at least one memory and computer program code configured to receive geolocation information are further configured, with the at least one processor, to cause the apparatus at least to: receive the geolocation information and/or geometric instruction in a configuration update message via X2 interface.
This invention relates to wireless communication systems, specifically to apparatuses for managing network configurations in heterogeneous networks. The problem addressed is the need for efficient and dynamic configuration updates in wireless networks, particularly for handling geolocation information and geometric instructions that define coverage areas or operational boundaries for network nodes. The apparatus includes at least one processor, at least one memory, and computer program code configured to perform various functions. The apparatus is designed to receive geolocation information and/or geometric instructions, which define spatial parameters for network operations. These parameters may include coordinates, shapes, or boundaries that dictate where a network node should operate or how it should interact with other nodes. A key feature is the ability to receive these configuration updates via an X2 interface, which is a communication link between base stations in LTE and 5G networks. The configuration update message transmitted over the X2 interface allows for real-time adjustments to network configurations, ensuring that geolocation and geometric instructions are dynamically applied without manual intervention. This enhances network flexibility and adaptability, particularly in scenarios where network coverage or interference patterns change frequently. The apparatus may also include additional components, such as a transceiver for wireless communication and interfaces for interacting with other network elements. The overall system enables efficient coordination between network nodes, optimizing coverage and reducing interference in heterogeneous wireless environments.
15. The apparatus according to claim 7 , wherein the at least one memory and computer program code configured to manage relations of neighbor network nodes are further configured, with the at least one processor, to cause the apparatus at least to: use the geolocation information to perform at least one of: adding or removing neighbor relations between the apparatus and the at least one first network node; and adding or removing X2 connections between the apparatus and the at least one first network node.
This invention relates to wireless communication networks, specifically managing neighbor relations and X2 connections between network nodes based on geolocation information. In wireless networks, maintaining accurate neighbor relations and X2 connections between nodes is critical for efficient handover and resource management. However, existing systems may not dynamically adjust these relations based on real-time geolocation data, leading to suboptimal performance or unnecessary signaling overhead. The apparatus includes at least one processor, memory, and computer program code configured to manage neighbor relations and X2 connections between network nodes. The system uses geolocation information to dynamically add or remove neighbor relations between the apparatus and at least one other network node. Additionally, it can add or remove X2 connections based on the same geolocation data. This ensures that only relevant neighbor relations and X2 connections are maintained, reducing unnecessary signaling and improving network efficiency. The apparatus may also include a communication interface for exchanging data with other network nodes and a positioning module for obtaining geolocation information. The system may further include a database for storing neighbor relations and X2 connection statuses. By dynamically adjusting these connections based on geolocation, the apparatus optimizes network performance and reduces operational overhead.
16. The apparatus according to claim 7 , wherein the at least one memory and computer program code configured to manage relations of neighbor network nodes are further configured, with the at least one processor, to cause the apparatus at least to: use global positioning service coordinates, physical cell identifier and enhanced cell global identifier of the at least one first network node to determine whether the at least one first network node is a relevant neighbor of the apparatus.
This invention relates to wireless communication networks, specifically to methods for managing neighbor relations between network nodes. The problem addressed is the efficient and accurate identification of relevant neighboring nodes in a network, which is crucial for tasks like handover, interference management, and network optimization. The solution involves using precise location and identification data to determine neighbor relationships. The apparatus includes at least one processor, memory, and computer program code configured to manage relations between network nodes. The system uses global positioning service (GPS) coordinates, physical cell identifiers (PCIs), and enhanced cell global identifiers (ECGIs) of neighboring nodes to assess their relevance. By cross-referencing these parameters, the apparatus determines whether a neighboring node is a relevant neighbor, meaning it is within a defined proximity or operational range and meets specific criteria for communication or coordination. This approach improves network efficiency by reducing unnecessary signaling and ensuring accurate neighbor lists. The method is particularly useful in dense or dynamic network environments where neighbor relations frequently change.
17. The apparatus according to claim 7 , wherein the at least one memory and computer program code are further configured, with the at least one processor, to cause the apparatus at least to: inform the at least one first network node when a neighbor relation is no longer relevant.
This invention relates to network communication systems, specifically to managing neighbor relations between network nodes to improve efficiency and resource utilization. The problem addressed is the unnecessary maintenance of neighbor relations in a network, which consumes resources and can degrade performance. The invention provides a solution by dynamically detecting and terminating irrelevant neighbor relations. The apparatus includes at least one processor, at least one memory, and computer program code configured to perform various functions. It establishes and maintains neighbor relations between network nodes, allowing them to communicate and exchange data. The apparatus monitors these relations to determine their relevance, such as whether they are still needed for communication or data exchange. When a neighbor relation is no longer relevant, the apparatus notifies the first network node involved in that relation, allowing the node to release associated resources and terminate the connection. This ensures that only active and necessary neighbor relations are maintained, reducing unnecessary signaling and improving network efficiency. The apparatus may also handle multiple neighbor relations simultaneously, ensuring optimal resource allocation across the network.
18. A computer program embodied on a non-transitory computer-readable storage medium, the computer program comprising program code for controlling a process to execute a process, the process comprising: receiving, at a first network node, geolocation information for at least one second network node; managing, by the first network node, relations of neighbor network nodes of at least one of the first network node or the at least one second network; and resolving physical cell identifier problems using the geolocation information, wherein the first network node comprises a high altitude platform station or flying base station, and wherein the at least one second network node comprises at least one terrestrial base station or at least one high altitude platform station or flying base station.
This invention relates to wireless network management, specifically addressing challenges in identifying and resolving physical cell identifier (PCI) conflicts in heterogeneous networks involving high-altitude platform stations (HAPS) or flying base stations (FBS) alongside terrestrial base stations. The problem arises when multiple network nodes, including HAPS/FBS and terrestrial stations, share overlapping coverage areas, leading to PCI collisions that disrupt communication. The solution involves a computer program executed by a first network node, such as a HAPS or FBS, to manage neighbor relations and resolve PCI conflicts. The program receives geolocation data for neighboring nodes, which may include terrestrial base stations or other HAPS/FBS. Using this geolocation information, the first node dynamically adjusts neighbor relations and resolves PCI conflicts to ensure seamless network operation. The system leverages the mobility and altitude advantages of HAPS/FBS to optimize network coordination, reducing interference and improving connectivity in mixed terrestrial and aerial network environments. The approach enhances network reliability by dynamically adapting to changing node positions and coverage areas.
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March 25, 2021
April 19, 2022
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